To set this as a default page in
CorelDRAW click on the Tools menu and choose Options.
Click on the word Document on the left hand side
and ensure all of the options are ticked and click on the OK
button.

To cut any object in CorelDraw,
simply
place on the page in the bottom left corner. If you wish to cut
in a portrait fashion simply rotate your graphics.

Additional note

SignTools 4 cuts from the bottom left of the page
either
manually place object(s) in the bottom left of the CorelDRAW page
or use the "Vinyl Saver" tool with the sliding bar all
the way to the left.